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Addition of Algebraic Expressions

What is the s...

Question

What is the sum of 5p, 6q and 7r?

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Solution

On adding 5p, 6q and 7r, we get .

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Q. Find the sum of the following expressions:
(i) (7p+6q) and (5p-q) and (q+16p)
(ii) (a+5b+7c) and (2a+10b+9c)

\frac{p}{q} = \frac{6}{5}

find the value of the following ratio:

\frac{5 p - 6 q}{3 p + 4 q}

Q. Any positive odd integer is of the form 6q + 1 or ______.

Q. The sum of the series

n \sum r = 0 (- 1)^{r}^{n} C_{r} (\frac{1}{2^{r}} + \frac{3^{r}}{2^{2 r}} + \frac{7^{r}}{2^{3 r}} + \frac{15^{r}}{2^{4 r}} + . . . m t e r m s)

Q. Sum of the series

n \sum r = 0 (- 1)^{r}^{n} C_{r} \cdot [i^{5 r} + i^{6 r} + i^{7 r} + i^{8 r}],

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