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Given a cylindrical tank, in which situation will you find surface area and in which situation volume. Number of cement bags required to plaster

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Find the value of

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Find the value of.

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Evaluate

asked Jan 17, 2022 in 8th-maths by nishit (1.8k points)

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `16x^4 –

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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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 by purvi (1.8k points)

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

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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

asked Jan 17, 2022 in 8th-maths by sumit (1.6k points)

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Verify the following: `(p – q) (p^2 + pq + q^2) = p^3 –

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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Verify the following: `(a + b) (a + b) (a + b) = a^3 + 3a^2b + 3ab^2 +

asked Jan 17, 2022 in 8th-maths by krutika (1.7k points)

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Verify the following: `(a^2 – b^2) (a^2 + b^2) + (b^2 – c^2) (b^2 + c^2) + (c^2 – a^2) + (c^2 + a^2) =

asked Jan 17, 2022 in 8th-maths by yogita (1.8k points)

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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 by sumit (1.6k points)

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`(-4)^4 xx(5/4)^4`

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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`(2^-3)^2 xx (3^-2)^3`

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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Very small numbers can be expressed in standard form using positive

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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Simplify

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

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

asked Jan 17, 2022 in 8th-maths by purvi (1.8k points)

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

asked Jan 17, 2022 in 8th-maths by nikhil (1.8k points)

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For a non-zero integer x, `x^7 -: x^12` is equal

asked Jan 17, 2022 in 8th-maths by Arun (1.7k points)

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