Math, asked by kanikamalhans, 1 year ago

Explain well plzz

also tell the chapter and class name

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Answers

Answered by khiljee

First one is basic calculations

2nd one is o lyrics thru algebraic expansion of determinant in RHS

Last one =

Tn11 = 2+n
Tn12 = 4+n
Tn21 = n
Tn22 = 2n

Sum.= Sigma (Tn)

Sum11 = 2n + n(n+1)/2
Sum 12 = 4n + n(n+1)/2
Sum 21 = n(n+1)/2
Sum22 = n(n+1)
Put n= 7 for ans

kanikamalhans: thnk u soo much

kanikamalhans: plzz can u tell me which cls qstn it is?

kanikamalhans: is it from cls 11?

khiljee: it is a combined question from matrices, determinants, and mathematical induction. yes class XI

kanikamalhans: ok thanks!!

Answered by shikha2019

Hope this helps you✌️✌️

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