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x3 + y3 = (x + y)(x2 – xy + y2) ⇒ 9 = 3*{(x + y)2−3xy}=3*(9−3xy) = 27−9xy Or xy=2 x2 + y2 = (x + y)2 – 2xy = 9 – 2*2 = 5 x4 + y4 = (x2 + y2)2 – 2x2y2 ⇒ x4 + y4 = 25 – 2*(2)2 = 25 – 8 = 17
The Prime Minister does not act as the chairman for which of the following committees?
Satellites used for telecommunication relay are kept in a geostationary orbit. A satellite is said to be in such an orbit when:
1. The orbit is g...
In case of miscarriage or medical termination of pregnancy, a woman is entitled to how many weeks of leave with pay?
Which of the following will turn blue litmus red ?
Let n (>1) be a composite natural number whose square root is not an integer.
Consider the following statements:
1. n has a factor wh...
What is the purpose of a compiler in programming?
The principle that suggests recording expenses only when they are realized, and income only when they are certain, is known as:
Who among the following was a great protagonist of the 'Doctrine of Lapse'?
Select the odd number from the given alternatives.
A boat's speed is 13.5 km/h when moving against the current and 18.3 km/h when moving along with the current. Determine the speed of the stream.
