Math, asked by blacklover1206, 3 months ago

find complementary function for (D^2+9)y=0

Answers

Answered by narishettydeeksha

0

Answer:

d²+9) y=0

d²y+9y=0

d²y=-9y

d²=-9y/y

d²=-9

d=+ or minus root 9

d=+ or minus 3

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