Recent questions tagged chapter9

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Using identities, evaluate.

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

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Using identities, evaluate. `1.05 xx

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

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Using `a^2 – b^2 = (a + b) (a – b)`, find `51^2 –

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

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Using `a^2 – b^2 = (a + b) (a – b)`, find `(1.02)^2 –

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

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Using `a^2 – b^2 = (a + b) (a – b)`, find `153^2 –

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

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Using `a^2 – b^2 = (a + b) (a – b)`, find `12.1^2 –

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

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Using `(x + a) (x + b) = x^2 + (a + b) x + ab`, find `103 xx 104`

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

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Using `(x + a) (x + b) = x^2 + (a + b) x + ab`, find `5.1 xx 5.2`

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

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Using `(x + a) (x + b) = x^2 + (a + b) x + ab`, find `103 xx 98`

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

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Using `(x + a) (x + b) = x^2 + (a + b) x + ab`, find `9.7 xx

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)`. `y^4 –

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

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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 by nikhil (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 Simran (1.8k points)

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

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `8a^3 –

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)`. `x^2 –

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

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Factorise the following using the identity `a^2 – b^2 = (a + b) (a – b)`. `9x^2 – (3y +

asked Jan 17, 2022 in 8th-maths by krutika (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 – 6x +

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

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