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Expand the following, using suitable identities. (2x + 9) (2x –
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Expand the following, using suitable identities.
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Expand the following, using suitable identities. `(7x +
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Using suitable identities, evaluate the following.
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Using suitable identities, evaluate the following. `104 xx
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
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0
answers
Using suitable identities, evaluate the following. `(69.3)^2 –
asked
Jan 17, 2022
in
8th-maths
marks2
chapter9
#sub
0
votes
0
answers
Factorise the following expressions. `6ab +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
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0
answers
Factorise the following expressions. `–xy –
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Factorise the following expressions. `4xy^2 – 10x^2y + 16x^2y^2 +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
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answers
Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `x^2 – 8x +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
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0
answers
Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `4a^2 – 4ab +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `x^2/4-2x +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
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answers
Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`.
asked
Jan 17, 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 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Perform the following divisions: `(ax^3 – bx^2 + cx) -: (–
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
Perform the following divisions: `(x^3y^3 + x^2y^3 – xy^4 + xy) -:
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
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0
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Factorise the expressions and divide them as directed: `(x^4 – 16) -: x^3 + 2x^2 + 4x +
asked
Jan 17, 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 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
If x – y = 13 and xy = 28, then find `x^2 +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
0
votes
0
answers
If `a^2 + b^2 = 74` and ab = 35, then find a +
asked
Jan 17, 2022
in
8th-maths
marks3
chapter9
#sub
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