If a + b = 1, then a4 + b4 - a3 - b3 - 2a2b2 + ab is equal to
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If x2 – 12x + 33 = 0, then what is the value of (x – 4)2 + [1/(x – 4)2]?
What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?
Find the value of p if -3x - 11, x + p and 5x + 7 are in arithmetic progression.
What is that least digit that must be added to the product 5786 × 5784 to make it a perfect square?
In the triangle ABC, the internal bisector of angle A meets the side BC at D. If BD=7.5 cm and BC=9 cm. Then calculate the value of AB:AC.
Blotting paper absorbs ink due to
If XY = a+23 and YX = 13, then find the value of X2 + Y2X2 - Y2.
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