(10x+5):(42x+8),5:8का 3 गुना अनुपात एक्स एक्स क्यूब याद करें
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Explanation:
Solution :
Let X-axis divides the join of points (8,5) and (-3, -7) in the ratio k:1.
We know that at X-axis
y=0
⇒ k⋅y2+1⋅y1k+1=0
⇒ k(−7)+1(5)k+1=0
⇒ −7k+5=0
⇒ k=57
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