Questions by sumit

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Subtract : `3t^4 – 4t^3 + 2t^2 – 6t + 6` from `– 4t^4 + 8t^3 – 4t^2 – 2t +

asked Jan 18, 2022 in 8th-maths

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Expand the following, using suitable identities. `(0.9p –

asked Jan 18, 2022 in 8th-maths

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Expand the following, using suitable identities. `x^2y^2 =

asked Jan 18, 2022 in 8th-maths

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Using suitable identities, evaluate the following.

asked Jan 18, 2022 in 8th-maths

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Using suitable identities, evaluate the following.

asked Jan 18, 2022 in 8th-maths

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Using suitable identities, evaluate the following. `(339)^2 –

asked Jan 18, 2022 in 8th-maths

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Factorise the following expressions. `ax^3 – bx^2 +

asked Jan 18, 2022 in 8th-maths

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Factorise the following expressions. `2a^3 – 3a^2b + 5ab^2 –

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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Factorise the following, using the identity `a^2 – 2ab + b^2 = (a – b)^2`. `9y^2 – 4xy

asked Jan 18, 2022 in 8th-maths

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Factorise the following. `y^2 + 7y +

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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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 18, 2022 in 8th-maths

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Find x so that `(–5)^(x+1) xx (–5)^5 =

asked Jan 18, 2022 in 8th-maths

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

asked Jan 18, 2022 in 8th-maths

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Which of the following is equal to `(-3/4)^(-3)`

asked Jan 18, 2022 in 8th-maths

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The multiplicative inverse of `10^10` is

asked Jan 18, 2022 in 8th-maths

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`5^5 xx 5^(–5)` =

asked Jan 18, 2022 in 8th-maths

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