Math, asked by jk429956, 7 months ago

(ii) Find the value of n for which
31 -3-3 = 35

Answers

Answered by avantika6138

0

Step-by-step explanation:

31-3-3=35

or, 31-3-3-35=0

n(n+1)/2

=-10(-10+1)/2

= (100-10)/2

=90/2

=45

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