Recent questions tagged chapter9

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Using identities, evaluate.

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

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Using identities, evaluate. `297 xx

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

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Using identities, evaluate. `78 xx 82`

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

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Using identities, evaluate.

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

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Using identities, evaluate. `1.05 xx

asked Jan 17, 2022 in 8th-maths by krutika (1.7k 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 krutika (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 krutika (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 nishit (1.8k 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 yogita (1.8k 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 Arun (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 nikhil (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 nishit (1.8k 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 nikhil (1.8k points)

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