Class 11

Math

Algebra

Sequences and Series

The value of $(tanα_{o}+tanβ_{o}+tanγ_{o})$ is equal to?

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If there are $3A.M_{′}s$ between $4$ and $84$, find their sum.

Find the G.M of $6$ and $24$

What is the geometric mean of $6$ and $24$ ?

A man travels $m$ feet due north at $2$ minutes per metre. He returns due south to his starting point at $2$ metre per minute. The average rate in miles per hour for the entire trip is:

If $a+3b+2c=12$, then the maximum value of $6bc(1+a)+a(3b+2c)$ is

The least value of $e_{sin_{−1}x}+e_{cos_{−1}x}$ is

The number of real solutions of the equation $sin(e_{x})=5_{x}+5_{−x}$ is (are)

What is the minimum value of $cos_{2}a_{2} +sin_{2}xb_{2} $ where $a >0$ and $b>0$ ?