Question

(3 1/2)²- (2 1/2)²= what is the answer step by step?

Answer 1

Answer:

2

Step-by-step explanation:

By multiplying the numbers inside the bracket we get :

$(\frac{3}{2})^{2} - (\frac{2}{2})^{2}$

=> $(\frac{3}{2})^{2} - (1)^{2}$

now squaring the numerator in both numbers, we get :

=> $\frac{9}{4}$ - 1

LCM = 4

$\frac{9}{4} - \frac{1}{4} = \frac{9-1}{4} = \frac{8}{4}$ = 2

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