The product of (x + 5) and (x – 5) is ____________

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The product of (x + 5) and (x – 5) is x² – 25

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अध्याय 3: Algebra - Exercise 3.1 [पृष्ठ ६१]

अध्याय 3 Algebra
Exercise 3.1 | Q 1. (ii) | पृष्ठ ६१

Expand 4p² – 25q²

(x + 4) and (x – 5) are the factors of ___________

(5 + 20)(–20 – 5) = ?

Multiply the following:

(a² – b²), (a² + b²)

Factorise the following using the identity a² – b² = (a + b)(a – b).

28ay² – 175ax²

Factorise the following using the identity a² – b² = (a + b)(a – b).

`x^2/8 - y^2/18`

Factorise the following using the identity a² – b² = (a + b)(a – b).

x⁴ – y⁴

The sum of first n natural numbers is given by the expression `n^2/2 + n/2`. Factorise this expression.

Find the value of a, if 9a = 76² – 67²

Find the value of `(198 xx 198 - 102 xx 102)/96`