multiply (3 root 7 + 5 root 3 ) and ( root 3 - 5 root 2 )
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Answer:
-88.36 (approx.)
Step-by-step explanation:
(3√7+5√3) ×(√3-5√2)
=3√7(√3-5√2)+5√3(√3-5√2)
=3√7×√3-3√7×5√2+5√3×√3-5√3-5√2
=3√21-15√14+5(√3)²-25√6
=3×4.58-15×3.74+5×3-25×2.44
=13.74-56.10+15-61
=-88.36(approx.)
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