p = ∣∣ ∣∣x302y3424∣∣ ∣∣ | x 3 0 2 y 3 4 2 4 | q = ∣∣ ∣∣x2z3y203z∣∣ ∣∣ | x 2 z 3 y 2 0 3 z | pq is equivalent to

The angle between latitudes 30oS and 13oN is

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What is the value of x satisfying the equation 42x43x 4 2 x 4 3 x = 2?

Evaluate logban if b = an

Simplify (1.25×10−4)×(2.0×10−1)(6.25×105)

Simplify 5√18 18 - 3√72 72 + 4√50

Find n if 34n = 100112