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Multiply the following: `15xy^2,
asked
Jan 18, 2022
in
8th-maths
by
nikhil
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1.8k
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marks2
chapter9
#sub
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Multiply the following: `(a^2 – b^2), (a^2 +
asked
Jan 18, 2022
in
8th-maths
by
nishit
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1.8k
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marks2
chapter9
#sub
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Expand the following, using suitable identities. `(x^2y –
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Jan 18, 2022
in
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Arun
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1.7k
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marks2
chapter9
#sub
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Expand the following, using suitable identities.
asked
Jan 18, 2022
in
8th-maths
by
nishit
(
1.8k
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marks2
chapter9
#sub
0
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Expand the following, using suitable identities. `(a^2 +
asked
Jan 18, 2022
in
8th-maths
by
Simran
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1.8k
points)
marks2
chapter9
#sub
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Expand the following, using suitable identities. `(7x +
asked
Jan 18, 2022
in
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purvi
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1.8k
points)
marks2
chapter9
#sub
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Using suitable identities, evaluate the following.
asked
Jan 18, 2022
in
8th-maths
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krutika
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1.7k
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marks2
chapter9
#sub
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Write the greatest common factor in each of the following terms. `3x^2y, 18xy^2, –
asked
Jan 18, 2022
in
8th-maths
by
yogita
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1.8k
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marks2
chapter9
#sub
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Factorise the following expressions. `x^3y^2 + x^2y^3 – xy^4 +
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Jan 18, 2022
in
8th-maths
by
Arun
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1.7k
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marks3
chapter9
#sub
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0
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Factorise the following expressions. `63p^2q^2r^2s – 9pq^2r^2s^2 + 15p^2qr^2s^2 –
asked
Jan 18, 2022
in
8th-maths
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krutika
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1.7k
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marks3
chapter9
#sub
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Factorise the following, using the identity `a^2 + 2ab + b^2 = (a + b)^2` `a^2x^2 + 2abxy +
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Jan 18, 2022
in
8th-maths
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sumit
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1.6k
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marks3
chapter9
#sub
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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `x^2 – 7x +
asked
Jan 18, 2022
in
8th-maths
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nishit
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1.8k
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marks3
chapter9
#sub
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Perform the following divisions: `(3pqr – 6p^2q^2r^2) -:
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Jan 18, 2022
in
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nishit
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1.8k
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marks3
chapter9
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Perform the following divisions: `(x^3y^3 + x^2y^3 – xy^4 + xy) -:
asked
Jan 18, 2022
in
8th-maths
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nishit
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1.8k
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marks3
chapter9
#sub
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The height of a triangle is `x^4 + y^4` and its base is 14xy. Find the area of the
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Jan 18, 2022
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purvi
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1.8k
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marks3
chapter9
#sub
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`(2^-3)^2 xx (3^-2)^3`
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Jan 18, 2022
in
8th-maths
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yogita
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1.8k
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marks1
chapter8
#fib
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Very small numbers can be expressed in standard form using positive
asked
Jan 18, 2022
in
8th-maths
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nikhil
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1.8k
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marks1
chapter8
#tnf
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`(–10) xx (–10) xx (–10) xx (–10) =
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Jan 18, 2022
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8th-maths
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krutika
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1.7k
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marks1
chapter8
#tnf
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Find x so that `(–5)^(x+1) xx (–5)^5 =
asked
Jan 18, 2022
in
8th-maths
by
sumit
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1.6k
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marks1
chapter8
#sub
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If x be any integer different from zero and m, n be any integers, then `(x^m)^n` is equal
asked
Jan 18, 2022
in
8th-maths
by
Simran
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1.8k
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marks1
chapter8
#mcq
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