Questions by nishit

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Expand the following, using suitable identities.

asked Jan 17, 2022 in 8th-maths

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Expand the following, using suitable identities.

asked Jan 17, 2022 in 8th-maths

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Using suitable identities, evaluate the following. `105 xx

asked Jan 17, 2022 in 8th-maths

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Write the greatest common factor in each of the following terms. `l2m^2n, lm^2n^2,

asked Jan 17, 2022 in 8th-maths

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Write the greatest common factor in each of the following terms. `qrxy, pryz,

asked Jan 17, 2022 in 8th-maths

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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `x^2 – 10x +

asked Jan 17, 2022 in 8th-maths

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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `p^2y^2 – 2py +

asked Jan 17, 2022 in 8th-maths

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Factorise the following. `y^2 – 2y –

asked Jan 17, 2022 in 8th-maths

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Factorise the following. `x^2 = 17x + 60`

asked Jan 17, 2022 in 8th-maths

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `p^5 –

asked Jan 17, 2022 in 8th-maths

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `x^2 –

asked Jan 17, 2022 in 8th-maths

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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 17, 2022 in 8th-maths

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `76x^3yz^3 -:

asked Jan 17, 2022 in 8th-maths

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Perform the following divisions: `(3pqr – 6p^2q^2r^2) -:

asked Jan 17, 2022 in 8th-maths

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If p + q = 12 and pq = 22, then find `p^2 +

asked Jan 17, 2022 in 8th-maths

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If m – n = 16 and `m^2 + n^2 = 400`, then find

asked Jan 17, 2022 in 8th-maths

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If `x-1/x=7` then find the value of

asked Jan 17, 2022 in 8th-maths

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The product of two expressions is `x^5 + x^3 + x`. If one of them is `x^2 + x+ 1`, find the

asked Jan 17, 2022 in 8th-maths

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Multiplicative inverse of `2^7`

asked Jan 17, 2022 in 8th-maths

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The value of `(2/5)^-2`

asked Jan 17, 2022 in 8th-maths

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