Question

(1.5)^4-(0.5)^4 find with use identity​

Answer 1

Step-by-step explanation:

(1.5)^4-(0.5)^4

={(1.5)^2}^2-{(0.5)^2}^2

={(1.5)^2+(0.5)^2}{(1.5)^2-(0.5)^2} (here,a^2-b^2=(a+b)(a-b))is used.

=(2.25+0.25)(1.5+0.5)(1.5-0.5)

=2.5×2×1

=5..ans

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