फाइंड द एरिया ऑफ स्क्वायर ऑफ लेंथ 4 सेंटीमीटर फाइंड द एरिया ऑफ रेक्टेंगल एंड लेंथ 8 सेंटीमीटर एंड 2 सेंटीमीटर व्हाट इज द डिफरेंस ऑफ टू एरिया find the area of find the area find the area of square of length 4 cm find the area of rectangle having length 8 cm and breadth 2 cm what is the difference of two areas
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Answered by
29
α,β are the zeroes of x2−(k+6)x+2(2k−1)
i.e, α+β=k+6 ( Sum of roots of quadratic )
and αβ=2(2k−1) ( Product of roots )
According to question, α+β=21αβ
⇒k+6=22(2k−1)=2k−1
⇒k+6=2k−1
⇒k=7
Hence, the answer is 7.
Answered by
2
Answer:
40
Step-by-step explanation:
4x8+2+2+2 answer is 40
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