1.

If x =Show that

Answer»

★Ello ★

here is your answer !!


X = 3 + ✓8


there FORE ,

1 /x = 1 / 3 + √ 8 × 3 -✓8 / 3 - ✓ 8

{ rationalize. }


1 / x = 3 -✓8 / 9 -8

=> 1 / x = 3 -✓ 8 / 1


now ,.



x + 1 / x => 3 + √ 8 + 3 - ✓ 8

=> x + 1 / x = 6



=> (x + 1 / x )² = x² + 1 / x² + 2 × x × 1 / x


=> ( 6 )² = x² + 1 / x² + 2


x² + 1 / x² = 36 -2


=> x² + 1/ x² = 34 .



hence proved !!!



hope it helps you dear !!

THANKS !!

thanks


Discussion

No Comment Found

Related InterviewSolutions