Questions by nikhil

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

asked Jan 17, 2022 in 8th-maths

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Perform the following divisions: `(ax^3 – bx^2 + cx) -: (–

asked Jan 17, 2022 in 8th-maths

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Perform the following divisions: `(x^3y^3 + x^2y^3 – xy^4 + xy) -:

asked Jan 17, 2022 in 8th-maths

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The area of a square is `9x^2 + 24xy + 16y^2`. Find the side of the

asked Jan 17, 2022 in 8th-maths

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If a + b = 25 and `a^2 + b^2 = 225`, then find

asked Jan 17, 2022 in 8th-maths

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The figure shows the dimensions of a wall having a window and a door of a room. Write an algebraic expression for the area of the wall to be painted.

asked Jan 17, 2022 in 8th-maths

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Very small numbers can be expressed in standard form using positive

asked Jan 17, 2022 in 8th-maths

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The value of `1/4^-2`

asked Jan 17, 2022 in 8th-maths

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The value of `3^5 -: 3^(–6)`

asked Jan 17, 2022 in 8th-maths

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The reciprocal of `(2/5)^-1`

asked Jan 17, 2022 in 8th-maths

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If x be any non-zero integer, then `x^–1` is equal

asked Jan 17, 2022 in 8th-maths

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If x be any integer different from zero and m be any positive integer, then `x^–m` is equal

asked Jan 17, 2022 in 8th-maths

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By multiplying `(5/3)^4` by ________ we get

asked Jan 17, 2022 in 8th-maths

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The value of `3 xx 10^(-7)` is equal to

asked Jan 17, 2022 in 8th-maths

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The value of `[2^(–1) xx 3^(–1)]^(–1)` is

asked Jan 17, 2022 in 8th-maths

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`329.25 = 3 xx 10^2 + 2 xx 10^1 + 9 xx 10^0 + 2 xx 10^–1 + 5 xx

asked Jan 17, 2022 in 8th-maths

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`(–4)^(–4) xx (4)^(–1) =

asked Jan 17, 2022 in 8th-maths

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`(2/3)^(-2) xx (2/3)^(-5) =

asked Jan 17, 2022 in 8th-maths

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Find the value of x so that `(2^(–1) + 4^(–1) + 6^(–1) + 8^(–1))x =

asked Jan 17, 2022 in 8th-maths

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