Solve

Guides

0

You visited us 0 times! Enjoying our articles? Unlock Full Access!

Question

"If \\( x = \\frac { 5 - \\sqrt { 21 } } { 2 } , \\) find the value of \\( x ^ { 2 } + \\frac { 1 } { x ^ { 2 } } \\)"

Open in App

Solution

Verified by Toppr

Was this answer helpful?

0

Similar Questions

Q1

If

x = \frac{5 - \sqrt{21}}{2}

, find the value of

x + \frac{1}{x}

.

View Solution

Q2

Find the value of x. if

3^{3.5} \times 21^{2} \times 42^{2.5} \div 2^{2.5} \times 7^{3.5} = (21)^{x}

View Solution

Q3

If

2^{11} + 2^{12} + 2^{13} + 2^{14} + 2^{15} = 62 x

, then the value of

x

is

View Solution

Q4

If 212 x 5 is a multiple of 11, then find the least value of x.

View Solution

Q5

Solve for $x$

$\frac{5}{x - 5} = \frac{7}{x - 7}$

View Solution