17x-5*0+85=0
17x-0+85=0
17x+85=0
17x=-85
x=-5
(9а∧(-5/24) ) / а∧(1/8) * а∧(5/3) = 9 / а∧(5/24) * а∧(1/8) * а∧(5/3) = 9 / а∧(5/24 + 1/8 + 5/3) = 9 / а∧(5/24 + 3/24 + 40/24) = 9 / а∧(48/24) = 9 / а∧2.
9 / а∧2 ⇒ 9 / а².
при а = 24: 9 / а² = 9 / 24² = 9 / 576 = 1/64
N(n+1)(n+2)(n+3) +1 = (n² +3n +2)(n² +3n) +1 = (n² +3n)² +2(n² +3n) +1 =
=(n² +3n +1)²
215+108=323 м - длина
2*(215+323)= 2*538=1076