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If ЁЭЫ╝ and ЁЭЫ╜ be the zeroes of the polynomial `2x^2 - 7x + k` write the value of (ЁЭЫ╝ + ЁЭЫ╜+ ЁЭЫ╝ ЁЭЫ╜.
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By using the relationship between the zeroes of he quadratic polynomial.
We have
Sum of zeroes=`(-("Coefficient of x"))/("Coefficient of "x^2)` and Product of zeroes =`("Constant term")/("Coefficient of ""x^2)`
`∴ ∝+β=(-7)/2and ∝β=5/2`
Now, ЁЭЫ╝ + ЁЭЫ╜ + ЁЭЫ╝ЁЭЫ╜ =`(-7)/2+5/2=-1`
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