plzzz tell me the answer of this question....with explanation
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Step-by-step explanation:
( 6√3+√4) (6√-3√4)
=( 6√3)²-(√4)²
=108-16=92
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2. ( 5+√7) (2+√5)
=10+5√5+2√7+√12
=10 + 2√3 + 5√5 + 2√7
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3. ( 5+√5) (5-√5)
=5²-(√5)²
=25-5
=20
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