Question

If term 7,a,a,63 are in proportion, then a is​

Answer 1

Answer:

7/a=a/63

a²=63×7

a²=441

a=✓441

a=21

Step-by-step explanation:

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Answer 2

Answer:

hello as we know that

a=a

than

7/a a/63

cross multiply

a×a = 7×63

so after multiplying 63 and 7

the value will be of a

Step-by-step explanation:

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