CBSE BOARD X, asked by bhattsamarth16, 2 months ago

³³\left \{ {{y=2} \atop {x=2}} \right.\left \{ {{y=2} \atop {x=2}} \right.MY SCHOLL IS TAKING CLASSES HOW DO I REPORT IT

Answers

Answered by BrainlyBAKA
1

 \mathbb{ \ \ ANSWER \:  \: }

= 1/1*3 + 1/3*5 + 1/5*7 + 1/7*9 +1/9*11 + 1/11*13 + 1/13*15

= 1/2(2/1*3 + 2/3*5 + 2/5*7 + 2/7*9 + 2/9*11 + 2/11*13 + 2/13*15)

= 1/2[(1/1 - 1/3) + (1/3 - 1/5) + (1/5 - 1/7) + (1/7 - 1/9) + (1/9 - 1/11) + (1/11 - 1/13) + (1/13 - 1/15)]

=1/2[1 - 1/15]

= 7/15

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