Question

$\sqrt{128} - \sqrt{98} + \sqrt{18}$
options
a)
$\sqrt{48}$
b)
$\sqrt{32}$
c)
$\sqrt{8}$
d)
$\sqrt{2}$

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Answer 1

Step-by-step explanation:

√128 - √98 + √18

= √2 x 2 x 2 x 2 x 2 x 2 x 2 - √2 x 7 x 7 + √2 x 3 x 3

= 2 x 2 x 2√2 - 7√2 + 3√2

= 8√2 - 7√2 + 3√2

= √2 + 3√2

= 4√2

= 2 x 2√2

= √2 x 2 x 2 x 2 x 2

= √32

(b) √32

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Answer 2

Answer:

b) part is the correct answer .

Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state. ... Sublimation has also been used as a generic term to describe a solid-to-gas transition (sublimation) followed by a gas-to-solid transition (deposition).