The Hindu Arabic numeral for XCII is ___
Solve each of the following quadratic equations: (i) xx−1+x−1x=414,x≠0,1 (ii) x−12x−1+2x−1x−1=2,x≠12,1
Question 85 (xv)
Expand the following, using suitable identities.
(0.9p−0.5q)2