Question

a3-b3+1+3ab ke gunankhand​

Answer 1

Answer:

${a}^{3} + {( - b)}^{3} + {1}^{3} - 3(a)( - b)(1) \\ = (a - b + 1)( {a}^{2} + {b}^{2} + {1}^{2} - a( - b) - ( - b)(1) - 1(a)) \\ = (a - b + 1)( {a}^{2} + {b}^{2} + {1}^{2} + a b + b - a)$

Answer 2

Answer:

this is correct...............