1.

Find the value of (75983*75983- 45983*45983/30000)

Answer»

Given expression=(75983)2 -(45983)2 /(75983-45983) 

=(a-b)2 /(a-b) 

=(a+b)(a-b)/(a-b) 

=(a+b) 

=75983+45983 

=121966



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