If = −
2
is a solution of the quadratic equation + − = ,
find the value of .
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Answer:
⇒ Draw a line segment AB=4.5cm
⇒ Take B as center and draw an angle of 60
⇒ Cut off BC=5.5cm
⇒ Take A as with radius 4.8cm and draw an arc.
⇒ Take C as with radius 5cm and draw an arc, which cuts off previous arc at point D
⇒ Join CD and AD.
Step-by-step explanation:
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