1.

1/(a+b+x) = 1/a + 1/b + 1/x​

Answer»

[a 0, b 0, x0, x = −(a + b)]1 1 1 1 =-+-+ (a + b + x) a b1 (a + b + x) 1 1 = + X a 1 bX- - (a + b + x) 1 1 (a + b + x)x a bx-a-b-x (a + b + x)x b+a ab-(a + b) (a + b + x)x (a + b) ab



Discussion

No Comment Found