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10.04.2021 •
Mathematics
Work out the area of this quarter circle of radius 8 cm.
Give your answer in terms of pie .
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Ответ:
Step-by-step explanation:
Ответ:
Δ=23^2-4*4*15=529-240=289
x1= (-23+17)/8=-6/8= -3/4
x2= (-23-17)/8=-5
4x^2+23x+15= 4(x+3/4)(x+5)=(4x+3)(x+5)