1.

(a) 130(6) 25

Answer»

a = 5 - b...... (1)b = 6/a........(2)

Put value of n from eq(2) in eq(1)a = 5 - 6/aa^2 - 5a + 6 = 0a^2 - 3a - 2a + 6 = 0a(a - 3) - 2(a - 3) = 0(a - 2)(a - 3) = 0a = 2, 3

for a = 2,b = 6/2 = 3

for a = 3, b = 6/3 = 2

Value of a^3 + b^3 = (2)^3 + (3)^3 = 8 + 27 = 35


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