I. x2 + 14x – 1247 = 0
II. B can be reached from A in 3 ways; C can be reached from B in 2 ways; D can be reached from C in 5 ways and E can be reached from D is 2 ways.If the total number of ways to reach E from A is y, find the value of y
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[tex]\huge\bold{SOLUTION }[/tex]
[tex]\huge{x = \frac{ - b + \sqrt{ {b}^{2} - 4ac} }{ 2a} }[/tex]
[tex]\huge{ {x}^{2} + 14x - 1247 = 0}[/tex]
[tex]\huge{a = 1}[/tex]
[tex]\huge{b = 14}[/tex]
[tex]\huge{c = - 1247}[/tex]
[tex]\huge{x = \frac{ - 14 \sqrt{ {14}^{2} - 4.1( - 1247)} }{2.1} }[/tex]
[tex]\huge{x = \frac{ - 14 + 72}{2} }[/tex]
[tex]\huge{x = \frac{ - 14 - 72}{2} }[/tex]
[tex]\huge{x = 29 \\ }[/tex]
[tex]\huge{x = - 43}[/tex]
Hope it helps .....