Question 17
If $$2^{2^{x^2-1}}=16$$, then the value of $$x^4$$ is
Correct Answer: 9
Solution
Since $$16=2^4$$, we get $$2^{x^2-1}=4=2^2$$. Thus $$x^2-1=2$$, so $$x^2=3$$ and therefore $$x^4=9$$.
Get AI Help
Book Free CAT Mentorship
Get personalized CAT strategy from a 99%iler
500+ students mentored
OTP Verification
Enter the 6-digit code sent to your phone
Booking Summary
Session:Free CAT Mentorship
Phone:
Date:
Time:
Enter OTP
Didn't receive the OTP?
