If x= 2 is the solution of the equation x² +5x + a = 0.Find the value of a
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Given equation is: x2−5x+a=0
If the roots are equal, then discriminant =0
Thus, b2−4ac=0
a=1,b=−5,c=a
=>(−5)2−4(1)(a)=0
=>25−4a=0
=>a=425
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