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Ahmad Ahmad

Bilangan Pangkat dan Akar

3 posts in this topic

Jika (3+4) (32 + 42) (3+ 44) (38 + 48) (316 + 416) (332 + 432) = (4x - 3y), maka x - y = ....


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ruas kiri di kali 1


karena 1= (4-3)


pakai identitas (a+b)(a-b)=(a^2-b^2)


sehingga diperoleh (4^64-3^64)=(4^x-3^y)


Maka, x-y=64-64=0.


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