Question

plz solve this question and don't post anything


❇❇❇❇❇Who can give me correct ans I will mark it brainlist ❇❇❇❇❇❇

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Answer 1

Answer:

10th one answer is 5

Step-by-step explanation:

root49 = 7

then root 9+7 = root16

root 16 = 4

then root 21+4 = root25

root 25 is 5

hence proved

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