please answer this question with explaination
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i. √7 x √42
→ √7 x √6(√7)
→ √7 x √7 x √6
→ 7√6
→ 17.146 _______________(Ans.)
ii. √50 x √18
→ 5√2 x 3√2
→ 15 x 2
→ 30 __________________(Ans.)
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Answer:
➡ Multiply the surds:-
1) √7 × √42
=> √7×√6(√7)
=> √7 × √7 × √6
=> 7√6
=> 17.146✔ (Ans)
2) √50 × √18
=> 5√2 × 3√2
=> 15× 2
=> 30✔ (Ans)
Step-by-step explanation:
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