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Write the greatest common factor in each of the following terms. `21pqr, –7p^2q^2r^2,

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

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Factorise the following expressions. `3pqr –6p^2q^2r^2 –

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

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Factorise the following expressions. `2x^2 – 2y + 4xy –

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

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Factorise the following, using the identity `a^2 + 2ab + b^2 = (a + b)^2` `9x^2 + 24x +

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

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Factorise the following, using the identity `a^2 + 2ab + b^2 = (a + b)^2` `9x^2 + 30x +

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

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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `y^2 – 14y +

asked Jan 17, 2022 in 8th-maths by nikhil (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 – 3x +

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

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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `–121p^3q^3r^3 -:

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

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Factorise the expressions and divide them as directed: `(9x^2 – 4) -: (3x +

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

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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 by Arun (1.7k points)

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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 by Arun (1.7k points)

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

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

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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 by purvi (1.8k points)

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Multiplicative inverse of `2^7`

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

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In `2^n`, n is known

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

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The standard form for 0.000064

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

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Very small numbers can be expressed in standard form by using _________

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

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`[(2/13)^(-1) -: (2/13)^3]^3 xx (2/13)^(-13)` =

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

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The usual form of `2.39461 xx 10^6` is

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

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

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

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