zarakanchi
02.12.2020 •
Mathematics
It is given that in the expansion of (3x+y)^n the coefficient of x^3 y^5 is 756k. Find k
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Ответ:
C. Reflection across the y-axis
Step-by-step explanation:
Reflection across y axis= (x,y) to (-x,y) so B (1,2) is now B'(-1,2). Hope this helped!