If a-1a=1, then a2 + 1a2 ?
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Select the odd letters from the given alternatives.
Select the odd word/letters/number/number pair from the given alternatives.
What is the reflection of the point (-1 , 5) in the line x = 1?
Δ DEF is right angled at E. If m∠F = 45°, then what is the value of 2 Sin F x Cot F?
For triangle ABC, find equation of median AD if co-ordinates of A, B and C are (-1,-3), (5,-4) and (3,2) respectively?
129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is
The numbers x, y, z are respectively proportional to 2, 3, 5 and the sum of x, y and z is 80. If the number z is given by the equation z = ax-8, then a is