plzz mark it best i gave explanation as well

hi paras

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plzz mark it best i gave explanation as well

hi paras

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5 will cancel 15 and 3 will remain

7 will cancel 14 and 2 will remain

3 will cancel 9 and 3 will remain

left part=-1*1*3*-2/1*1*4*3=6/12

=1/2