If x + y = 3, then what is the value of x3 + y3 + 9xy?
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What is the value of [(sin 59° cos 31° + cos 59° sin 31° )÷(cos 20° cos 25° – sin 20° sin 25° )]?
Spring tides occur when ______.
x, y and z are real numbers. If x3 + y3 + z3 = 13, x + y + z = 1 and xyz = 1, then what is the value of xy + yz + zx?
In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.
Which of the following is essential for the synthesis of thyroxin?
The average of 5 members of a family is 24 years. If the youngest member is 8 years old, then what was the average age (in years) of the family at the time of the birth of the youngest member?
If tan(A/2) = x, then the value of x is
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