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The following expressions are the areas of rectangles. Find the possible lengths and breadths of these rectangles. `x^2 – 7x +

asked Jan 17, 2022 in 8th-maths by vaibhav (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 + 19x –

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. `17ab^2c^3 -:

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

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Factorise the expressions and divide them as directed: `(x^2 – 22x + 117) -: (x –

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

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Factorise the expressions and divide them as directed: `(3x^4 – 1875) -: (3x^2 –

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

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If `a^2 + b^2 = 74` and ab = 35, then find a +

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

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Verify the following: `(ab + bc) (ab – bc) + (bc + ca) (bc – ca) + (ca + ab) (ca – ab) =

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

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Verify the following: `(a + b + c) (a^2 + b^2 + c^2 – ab – bc – ca) = a^3 + b^3+ c^3 –

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

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Verify the following: `(a^2 – b^2) (a^2 + b^2) + (b^2 – c^2) (b^2 + c^2) + (c^2 – a^2) + (c^2 + a^2) =

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

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Find the value of a, if `9a = 76^2 –

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

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Factorise

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

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The human body has about 100 billion cells. This number can be written in exponential form

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

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`(2^-3)^2 xx (3^-2)^3`

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

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Very small numbers can be expressed in standard form using positive

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

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The value of `(–2)^(2xx3–1)`

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

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The multiplicative inverse of `(-5/9)^-99`

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

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`((-7)/5)^(-1)` is equal

asked Jan 17, 2022 in 8th-maths by sumit (1.6k 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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The standard form for 234000000

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

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The usual form for `2.03 xx

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

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