Question

यदि x+1/x=4है तो x²+1/x² का मान ज्ञात किजिए

8

14

16

20

​

Answer 1

Answer:

8 answer.

Step-by-step explanation:

given, x+ 1/x = 4

we should to found , x^2+ 1/x^2 = ?

according to question -

= (x+ 1/x)^2 = (x)^2+(1/x)^2+2(x)(1/x)

= (4)^2 = x^2+ 1/x^2+0

= 8 = x^2 +1/x^2

so, x^2+ 1/x^2= 8 answer.

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