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n² = 121

n = ...?

Use root tree :

121

/ \

11 11

11 × 11 = 121

11² = 121

So :

n² = 11²

n = 11

So, the value of n is 11

Hope it helpful and useful :)

y do u put "subscirbe to ence" on a app for ppl who need with their work?

you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.