if x is equal to 4 minus under root 5 find the value of x square minus one upon x square
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x=4-underroot5
to find_ x^2-1/x^2
we have given that
x=4-underroot5
on squaring both sides ...
x^2=(4-underroot5)^2
x^2=16+5-8underroot5
while putting the value of x^2 ....
hope it helpss !!
to find_ x^2-1/x^2
we have given that
x=4-underroot5
on squaring both sides ...
x^2=(4-underroot5)^2
x^2=16+5-8underroot5
while putting the value of x^2 ....
hope it helpss !!
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