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Grade 11Algebra

Plz help me out with question no. 17 with full explanation if possible....I will be grateful if you help me in solving this problem

Question image for Plz help me out with question no. 17 with full ex
Profile image of Sanjay Hansda
7 Years agoGrade 11
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1 Answer

Profile image of Saurabh Koranglekar
7 Years ago
Dear student

Put n= 1 and r = 1,2

an = 2

Ans c
n an

Regards