Question

Find
in the following:
1.75 *1.75 -0.25*0.25/
(1.75 +0.25)​

Answer 1

Step-by-step explanation:

=(1.75)²-(0.25)²/2

a²-b²=(a+b)(a-b)/a+b

=(1.75+0.25)(1.75-0.25)/2

=(2)(1.5)/2

=3/2