In Q. 4 to 6, find each of the lettered/angles giving reason :
с
4.
5.
6.
a
3x
25°
a
M
65°
Р
50°
120°
12x
B
A
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Additionalknowledge
Knowledge about Quadratic equations -
★ Sum of zeros of any quadratic equation is given by ➝ α+β = -b/a
★ Product of zeros of any quadratic equation is given by ➝ αβ = c/a
★ A quadratic equation have 2 roots
★ ax² + bx + c = 0 is the general form of quadratic equation
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ITS ASTUTE ANSHU ❤️⚡
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