Question

Pls help me experts and all others out there..will mark as brainlest..

Answer 1

★ Hi , there !!★


x = 4 -√ 15


1 / x = 1 / 4 - √ 15 × 4 + √ 15 / 4 + √ 15


=> 4 + √ 15



now ,



=> ( x + 1 / x ) ² = ??



=> ( 4 - √ 15 + 4 + √ 15 )²


=> (8) ²


=> 64


hope it helps you dear !!


thanks !!

Answer 2

If x=4×3.87
Then, ((4×3.87)+1)^2
or,(15.48+1)^2
or,16.48^2
or,271.5904
Hope it is correct and it helps you...
Pl mark as brainliest if it does...