Question
If sin θ and cos θ are the root of standard Quadratic
Equation , then which of the following is true ? 1. a2 + b2 - 2ac = 0 2. b2 - a2 + 2ac = 0 3. a 2 + b 2 + 2ac = 0 4. a 2 - b 2 + 2ac = 0Solution
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- What will come in place of the question mark (?) in the following series?
-5, -2, ?, 10, 19, 30 What will come in place of the question mark (?) in the following series?
60, 94, 184, 464, 1388, ?
21Â Â Â Â Â Â 24 Â Â Â Â Â Â 22Â Â Â Â Â Â 25Â Â Â Â Â 23Â Â Â Â Â Â Â ?Â
...226, 171, 124, 85, 54, ?
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