N = {15 +- root of ( 225 + 64) } / 2
= {15 +- root of 289 } / 24
= 15 + 17 } / 2 or { 15 -17 } /2
= 16 or -1
(√3 + 1)/8 the answer to the question
Answer:
the 2nd option is correct.
Step-by-step explanation:
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2/7 because both 8 and 28 are divisible by 4