Find the zeroes of the quadratic polynomial p(y) = 4√3
+5y -2√3 and verify the relationship between the zeroes and their coefficients.
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ƓƖƔЄƝ :-
- 4√3
+5y -2√3
ƬƠ ƑƖƝƊ -
- ȤЄƦƠЄƧ ƠƑ ƤƠԼƳƝƠMƖƛԼ
ƧƠԼƲƬƖƠƝ':-
- 4√3
+5y -2√3
- 4√3y²+8y-3y-2√3
- 4y(√3y +2) -√3(√3y+2)
- (4y-√3)(√3+2)
hence zeroes are
- 4y-√3=0
=y
and
- √3y+2=0
- y=
━━━━━━━━❪❐❫━━━━━━━━
- α+β=
+
=
=
━━━━━━━━❪❐❫━━━━━━━━
- αβ=
×
=
-
=
· · • • • ✤ • • • · ·· · • • • ✤ • • • · ·
Hence verified
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