hinsri
26.06.2020 •
Mathematics
Given: QR I PT and QPR =
ZSTR
Prove: APQR ~ ATSR
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Ответ:
Greetings from Brasil...
Here's our problem:
From potentiation properties:
Mᵃ ÷ Mᵇ = Mᵃ⁻ᵇ
division of power of the same base: I repeat the base and subtract the exponents
So, in our problem
12³ ÷ 12⁴ = 12³⁻⁷
12⁻⁴
We also know about another property: P⁻ⁿ = (1/Pⁿ) so
12⁻⁴ = (1/12⁴)