Questions by sumit

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Factorise the expressions and divide them as directed: `(3x^4 – 1875) -: (3x^2 –

asked Jan 17, 2022 in 8th-maths

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The area of a square is given by `4x^2 + 12xy + 9y^2`. Find the side of the

asked Jan 17, 2022 in 8th-maths

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The area of a rectangle is `x2 + 7x + 12`. If its breadth is (x + 3), then find its

asked Jan 17, 2022 in 8th-maths

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The base of a parallelogram is (2x + 3 units) and the corresponding height is (2x – 3 units). Find the area of the parallelogram in terms of x. What will be the area of parallelogram of x = 30

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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Verify the following: `(ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) =

asked Jan 17, 2022 in 8th-maths

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Subtract `b (b^2 + b – 7) + 5` from `3b^2 – 8` and find the value of expression obtained for `b = –

asked Jan 17, 2022 in 8th-maths

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For a fixed base, if the exponent decreases by 1, the number

asked Jan 17, 2022 in 8th-maths

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`3^(–2)` can be written

asked Jan 17, 2022 in 8th-maths

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The multiplicative inverse of `10^(–100)`

asked Jan 17, 2022 in 8th-maths

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The multiplicative inverse of `10^10` is

asked Jan 17, 2022 in 8th-maths

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The expression for `8^(–2)` as a power with the base 2 is

asked Jan 17, 2022 in 8th-maths

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Find the value `[4^(–1) +3^(–1) +

asked Jan 17, 2022 in 8th-maths

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`3^5 -: 3^–6` can be simplified as

asked Jan 17, 2022 in 8th-maths

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The standard form for 0.000000008 is

asked Jan 17, 2022 in 8th-maths

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The value for `(–7)^6 -: 7^6` is

asked Jan 17, 2022 in 8th-maths

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The multiplicative inverse of `(– 4)^(–2) is

asked Jan 17, 2022 in 8th-maths

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The value of `(1/4)^(-2)` is equal to

asked Jan 17, 2022 in 8th-maths

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The expression for `4^(–3)` as a power with the base 2 is

asked Jan 17, 2022 in 8th-maths

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asked Jan 17, 2022 in 8th-maths

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