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The distance between school and house of a girl is given by 5 cm in a picture, using the scale 1 cm : 5 km. Find the actual distance between the two
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Jan 18, 2022
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(x + a) (x + b) = x2 + (a + b)x +
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Find the expansion of the following using suitable identity.(i) (3x + 7y) (3x – 7y) (ii)
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The area of a rectangle is `x^2 + 12xy + 27y^2` and its length is (x + 9y). Find the breadth of the
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Divide 15 `(y + 3) (y^2 – 16) by 5 (y^2 – y –
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Find the value of x, if `10000x = (9982)^2 – (18)^2`sss
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Which of the following is a
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Coefficient of y in the term `3/(−y)`
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`a^2 – b^2` is equal
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An irreducible factor of `24x^2y^2`
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Number of factors of `(a + b)^2 `
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`(a – b)^2` + ____________ = `a6^2 –
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Factorised form of `4y^2 – 12y + 9` is
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Volume of a rectangular box with l = b = h = 2x is
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The sum of areas of two squares with sides 4a and 4b is
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`p^2q + q^2r + r^2q` is a
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Factorised form of `p^2 + 30p + 216` is `(p + 18) (p –
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abc + bca + cab is a
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Add: 9ax, + 3by – cz, – 5by + ax +
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Multiply the following: `15xy^2,
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