If ( x - 5)2 + (y - 2)2 + (z - 9)2 = 0 , then value of (x + y - z) is
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"Abhinav Bharat" was founded in 1904 as a secret society of revolutionaries by :
Length of the sides of a triangle are a, b, c respectively. If a2 + b2 + c2 = ab +bc + ca then the triangle is
If x + √5 = 5 + √y, and x, y are positive integers, then the value of x+yx + y
The least value of tan2x + cot2x is
Let ΔABC and ΔABD be on the same base AB and between the same parallels AB and CD. Then the relation between areas of triangles ABC and ABD will be
The third proportional of the following numbers (x - y)2, (x2 - y2)2 is