Join WhatsApp ChannelDaily MCQs & Exam Updates
Past Paper MCQs Practice

PPSC Past Paper 2025 (Junior Clerk Evening)

PPSC · 2025 · Practice with instant answers and explanations

Practice Mode100 Past Paper MCQs
Question 70 of 100
70%
Practice Time00:00
Question70
Past PaperPPSC

Simplify (x+1/x)(x-1/x)(x²+1/x²).

Correct Answer: Option B — x⁴-1/x⁴
Explanation:
Multiplying (x+1/x)(x-1/x) gives x²-1/x²; multiplying by x²+1/x² yields x⁴-1/x⁴.
PreviousNext
Question Navigator
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100