Question

Mohon jawab 3 soal itu

thank's

Answer 1

Misal 3^x = p dan 2^y = q
maka (p.3) - 3.q = 3 >> 3p - 3q = 3 .....(1)
2.p + q = 10 >> 2p + q = 10 |x3| >> 6p + 3q = 30 ....(2)
persamaan 1 dan 2 dieliminasi
9p = 27
p = 3 ingat p = 3^x maka 3^x = 3 >>> x = 1
2(3) + q = 10
q = 4 ingat q = 2^y maka 2^y = 4 >>> y = 2
x + y = 1 + 2 = 3