Question

If ( L-3)^2= L^2+kl+9,Find the value of k
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Answer 1

Answer:

k = -6

Step-by-step explanation:

( L-3)^2

= L^2 -2*3*L+3^2

= L^2-6L+9

= L^2+(-6)L+9

now, given , ( L-3)^2= L^2+kl+9

here , k = -6