Math, asked by genius150809, 11 hours ago

If x + 1/x=7
then what is the value of x^4 + 1/x^4

a)2209
b)2401
c)2207
d)1245

answer only if you know it.
irrelevant ones will be reported.

Answers

Answered by garnetwhitney03
1

Answer:

c) 2207

Step-by-step explanation:

x + 1/x = 7

on squaring both the sides,

x² + 1/x² + 2 = 49

x² + 1/x² = 47

again on squaring both the sides,

x⁴ + 1/x⁴ + 2 = 2209

x⁴ + 1/x⁴ = 2207

Similar questions