Sarthaks Test
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Simplify each of the following products:

(i) (1/2a-3b)(1/2a+3b)(1/4a2+9b2)

(ii) (m+n/7)3 (m-n/7)

(iii) (x/2-2/5) (2/5-x/2) -x2 +2x

(iv) (x2-x-2) (x2-x+2)

(v) (x3-3x2-x) (x2-3x+1)

(vi) [2x4-4x2+1] [2x4-4x2-1]

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(i) (1/2a-3b)(1/2a+3b)(1/4a2+9b2)

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