if x + y = 10 and xy = 10, then 1x+1y=? - Prothom Sir

i f x + y = 10 a n d x y = 10, t h e n \frac{1}{x} + \frac{1}{y} = ?

Created: 7 months ago | Updated: 1 month ago

\frac{1}{4}

\frac{1}{2}

280

$y = m_{1} x + c_{1}$ এবং $y = m_{2} x + c_{2}$ রেখা দুইটি সমান্তরাল ও লম্ব হওয়ার শর্ত যথাক্রমে-

Created: 7 months ago | Updated: 1 month ago

m_{1} = m_{2}, m_{1} m_{2} = 1

m_{1} + m_{2} = 0, m_{1} m_{2} = - 1

m_{1} = m_{2}, m_{1} m_{2} = - 1

m_{2} = - m_{1}, \sqrt{m_{1} m_{2}} = - 1

516

Created: 7 months ago | Updated: 1 month ago

\frac{10}{13}

\frac{13}{10}

\frac{- 5}{10}

\frac{13}{2 \sqrt{7}}

486

Created: 7 months ago | Updated: 1 month ago

২০%

5.4%

3.8%

2.4%

Admission জাহাঙ্গীরনগর বিশ্ববিদ্যালয় G ইউনিট উচ্চতর গণিত

577

Created: 7 months ago | Updated: 1 month ago

x^{2} + y^{2} + 4 x + 6 y + 2 = 0

x^{2} + y^{2} + 4 x + 6 y - 12 = 0

x^{2} - y^{2} + 4 x + 6 y - 12 = 0

x^{2} + y^{2} - 4 x + 6 y - 12 = 0

409

Created: 7 months ago | Updated: 1 month ago

u \int v d x - \int {\frac{d v}{d x} \int u d x} d x

u \int v d x - \int {\frac{d u}{d x} \int v d x} d x

v \int u d x - \int {\frac{d u}{d x} \int v d x} d x

v \int u d x - \int {\frac{d v}{d x} \int u d x} d x

391