Simplify: (6+√5) (3+√3) (i) 5√3+ 2√5+√15+16 (ii) 6√3+3√5+√15+18 (iii) 2√3+6√5+√15+3 (iv) 3√2+6√3+√19+2
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Answer:
(ii) 6√3+3√5+√15+18
Step-by-step explanation:
(6+√5)(3+√3)
=(6×3)+(6×√3)+(√5×3)+(√5×√3)
=18+6√3+3√5+√15
=6√3+3√5+√15+18
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