Question

find the product of
$(8 + 3 \sqrt{2})and(8 - 3 \sqrt{2}$
​

Answer 1

Step-by-step explanation:

(8+3sqr2)(8+3sqr2)/(8-3sqr2)(8+3sqr2)

=(8×8+(3sqr2)(3sqr2)+ 2×8×3sqr2)/8×8-(3sqr2)(3sqr2)

= (64+18+24sqr2)/64-18

=(82+24sqr2)/46

=(46+12sqr2)/23