JAMB - Mathematics (1990 - No. 2)
The H.C.F. of a2bx + ab2x and a2b - b2 is
b
a + b
b(a \(\div\) b)
abx(a2 - b2)
Selitys
a2bx + ab2x; a2b - b2
abx(a + b); b(a2 - b2)
b(a + b)(a + b)
∴ H.C.F. = (a + b)
abx(a + b); b(a2 - b2)
b(a + b)(a + b)
∴ H.C.F. = (a + b)