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The first term of an A.P. is 5, the last term...

Find the sum of first 51 terms of an A.P. whose...

If we add 1 to the numerator and subtract 1 from...

Two concentric circles with centre O are of radii 3 cm...

Prove that the lengths of tangents drawn from an external point...

Prove that 1+tan2 A 1+cot²A sec² A-1

A die is rolled once. Find the probability of getting:

If a, ẞ are zeroes of the quadratic polynomial x² –...

Find the area of the sector of a circle of radius...

PA and PB are tangents drawn to the circle with centre...