check whether these are rational or irrational root 7 ×root 343
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Answered by
18
Answer:
√7×√343 is rational because
√7×√343=√7×√7^3
=√7^4
=((√7)^2)^2
=7^2
=49
it is rational
Answered by
0
Step-by-step explanation:
rational number
explanation
✓7×✓343
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