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Questions by nikhil
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0
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Using suitable identities, evaluate the following. `47 xx
asked
Jan 18, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Using suitable identities, evaluate the following. `98 xx
asked
Jan 18, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Write the greatest common factor in each of the following terms. `21pqr, –7p^2q^2r^2,
asked
Jan 18, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Write the greatest common factor in each of the following terms. `11x^2,
asked
Jan 18, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Factorise the following, using the identity `a^2 + 2ab + b^2 = (a + b)^2` `4x^4 + 12x^3 +
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `x^2 – 10x +
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `4a^2 – 4ab +
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `a^2y^2 – 2aby +
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `a^2y^3 – 2aby^2 +
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following. `p^2 – 13p –
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `3a^2b^3 –
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `28ay^2 –
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`.
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `y^4 –
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `(a – b)^2 – (b –
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `x^2 – 6x +
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the expressions and divide them as directed: `(3x^2 – 48) -: (x –
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The area of a square is `9x^2 + 24xy + 16y^2`. Find the side of the
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
The area of a circle is given by the expression `πx^2 + 6πx + 9π`. Find the radius of the
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Verify the following: `(ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) =
asked
Jan 18, 2022
in
8th-maths
marks3
chapter9
#sub
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