A. √178
B. ± 178
C. ±89
D. (89)²
E. -356
Simplify the expression (1+i)6+(1+i)4 .
6(3 – x) –5 (2x – 4) = 4(3x–) + 14In the above equation the value of x is:
The number of solutions of x2 - 5|x| + 6 = 0 is
If α, β are the roots of (x –√ 3) (x –√ 5) =√ 7, the roots of (x –α) (x –β) +√ 7= 0 are
Solve the simultaneous inequalities: 13x + 4 < 5x +20 andl2x+5>9x + 14.
If 2p + 3q = 18 and 2p – q =2, then 2p + q =?
If g = log, (ax) then pz =
What is the minimum value of x for which the expression x3 – 7x2 + 11x – 5 gives positive values?
The value of 1/4 + 1/9 + 1/16 + ... +1/n2 is
If h = 2/3 and k = 6 then k/h + 4/h2 =