Question

if 1 + 7 + 7 square + 7 cube is equals to K square then K is equals to​

Answer 1

Answer:

668 because1+7+7-15 ,

square of 15 is 225 and cube of 7 is 343

so,225+343-668

Answer 2

hello mate!!!

(1+7+7)²+7³=k²

225+343=k²

568=k²

√568=k

23.8327506=k

hope it helps