Question

wor
more
1. Find the value of: x2 - 1/5 at x= -1.


​

Answer 1

$If \: x = -1 \: then \\Value \: of \: x^{2} - \frac{1}{5} \\= (-1)^{2} - \frac{1}{5} \\= 1 - \frac{1}{5} \\= \frac{5-1}{5} \\= \frac{4}{5}$

Therefore.,

$\red { Value \: of \: x^{2} - \frac{1}{5}} \green { =\frac{4}{5}}$

•••♪

Answer 2

p(-1)= -1^2-1/5

= 1 -1/5

= 5/5 -1/5

= 4/5