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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `a^2y^3 – 2aby^2 +

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

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

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

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `51x^3y^2z -:

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

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Factorise the expressions and divide them as directed: `(2x^3 – 12x^2 + 16x) -: (x – 2) (x –

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 Arun (1.7k points)

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The cost of a chocolate is Rs (x + y) and Rohit bought (x + y) chocolates. Find the total amount paid by him in terms of x. If x = 10, find the amount paid by

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

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Verify the following: `(a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 –

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

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Verify the following:

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

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Factorise `p^4 + q^4 +

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

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Find the value of (i) `(6.25 6.25 –1.75 1.75)/4.5` (ii) `(198 198 –102

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

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

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

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

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

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The value of `(–2)^(2xx3–1)`

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

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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 by krutika (1.7k points)

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`(1/10)^0` is equal

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

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`a^3 xx a^(–10)` =

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

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By multiplying `(10)^5` by `(10)^(–10)` we get

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

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The standard form for 0.000000008 is

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

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