1.

Factorise-A square - B square - A - B

Answer»
  • a² - b² - a - B
  • (a+b)(a-b)-1(a+b) {Using the identity of a²-b²}
  • (a+b)(a - b -1). {taking (a+b) common.}

HENCE the answer for your question is (a+b)(a - b - 1)



Discussion

No Comment Found

Related InterviewSolutions