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Powers with Positive and Negative Exponents

Question 3 iv...

Question

Question 3 (iv)
Simplify:

$7^{\frac{1}{2}} {.8}^{\frac{1}{2}}$

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Solution

$7^{\frac{1}{2}} {.8}^{\frac{1}{2}}$
$= (7 \times 8)^{\frac{1}{2}}$
$= 56^{\frac{1}{2}}$

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Question 2 (iv)
Simplify $(\sqrt{5} - \sqrt{2}) (\sqrt{5} + \sqrt{2})$ .

Q. The value of

7^{\frac{1}{2}} . 8^{\frac{1}{2}}

Q. Simplify
(i)

\frac{11^{\frac{1}{2}}}{11^{\frac{1}{4}}}

7^{\frac{1}{2}} {.8}^{\frac{1}{2}}

Simplify:

(i) (ii) (iii)

(iv)

Question 3 (iv)
Simplify:

$7^{\frac{1}{2}} {.8}^{\frac{1}{2}}$

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Powers with Positive and Negative Exponents

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