Question

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Answer 1

Answer:

-7/5 is a root of the quadratic equation 5m^2+2m+k=0

put m= -7/5 in the equation

5(-7/5)^2 +2(-7/5) +k=0

49/5 -14/5 +k=0

35/5 +k=0

k=0-7

k= -7

next question :-

a. p. =7,13,19,....

d=a2-a1

d=13-7

d=6

t19=a+(n-1)d

t19=7+(19-1)6

t19=7+(18)(6)

t19=7+108

t19=115

hope it helps!!

please mark brainliest

Answer 2

Answer:

well I'm also fine dear