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Let x1=11⋅3+13⋅5+15⋅7+⋯ upto 10 terms, y1=Sum of roots of equation of x2−7x+10=0. If (x1,y1) lies inside the hyperbola (21x)2100−y2(7b)2=−1, then number of integeral values for b is

Answer» Let x1=113+135+157+ upto 10 terms,
y1=Sum of roots of equation of x27x+10=0. If (x1,y1) lies inside the hyperbola (21x)2100y2(7b)2=1, then number of integeral values for b is


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