If all the digits of the number ‘869534172’ are arranged in ascending order from left to right, what will be the product of the fifth from the right and third from the left after the rearrangement?
869534172 123456789 Required answer = 5 × 3 = 15
If x2 – 5x + 1 = 0, then find the value of {x2 + (1/x2)}.
Find the value of 3/4 cot² 30° + cos² 30°-3cosec²60° + tan² 60°.
If a + b + c = 12 and ab + bc + ca = 50, then find the value of a2 + b2 + c2.
if 3y-3/y=8 then find the value of y ² +1/y²
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If x + y + z = 30, x² + Y² + z² = 460 and x z = y², then find the value of x z?
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When positive numbers x, y and z are divided by 31, the remainders are 17, 24 and 27, respectively. When (4x - 2y + 3z) is divided by 31, the remainder ...
If a + b + c = 8, a² + b² + c² = 18 and ab + b c+ ca = 12, then what is the value of a³ + b³ +c³ –3abc?