1.

Evaluate : (i) (a+ 1)(a-1)(a^2 + 1) (ii) (a + b)(a-b)(a^2 + b^2) (iii) (2a-b)(2a +b)(4a^2 + b^2) (iv) (3 - 2x)(3 + 2x)(9 + 4x^2) (v) (3x - 4y)(3x + 4y)( 9x^2 + 16y^2)

Answer»

Evaluate :

(i) (a+ 1)(a-1)(a^2 + 1)

(ii) (a + b)(a-b)(a^2 + b^2)

(iii) (2a-b)(2a +b)(4a^2 + b^2)

(iv) (3 - 2x)(3 + 2x)(9 + 4x^2)

(v) (3x - 4y)(3x + 4y)( 9x^2 + 16y^2)


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