Math, asked by high51, 8 months ago

2 {x}^{2}  - 27

Answers

Answered by Anonymous
229

Step-by-step explanation:

\pink{\bold{\underline{ ✪ UPSC-ASPIRANT✪ }}} \red{\bold{\underline{\underline{QUESTION:-}}}} Q:- 2 {x}^{2} - 27 \huge\tt\underline\blue{Answer } _ _ _ _ _ _ _ _ _ _ _ _ _ _ _✍️ ════════════XXX═════════════ ⟹ 2 {x}^{2} - 27 ⟹ { (\sqrt{2x} )}^{2} - {(3 \sqrt{3} )}^{2} It is the form of a^2-b^2 ⟹ {a}^{2} - {b}^{2} = (a + b)(a - b) ⟹ So, {( \sqrt{2x} )}^{2} - {(3 \sqrt{3}) }^{2} = ( \sqrt{2}x + 3 \sqrt{3} )( \sqrt{2} x - 3 \sqrt{3} )  ∴2 {x}^{2} - 27 = ( \sqrt{2} x + 3 \sqrt{3} )( \sqrt{2} x - 3 \sqrt{3} ) ════════════XXX═════════════ HOPE IT HELPS YOU

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Thankyou:)

Answered by Anonymous
6

Step-by-step explanation:

2x² - 27

2x² = ,27

x²= 27/2

x = ,√27/2

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