$y = I n s e c (b x + c)$ হলে $\frac{d y}{d x}$ এর মান কোনটি?

Created: 3 months ago | Updated: 1 month ago

tan(bx + c)

btan(bx+c)

ctan(bx+c)

bsc(bx+c)

228

$\bar{A}, \bar{B} ও \overset{⇀}{C}$ ভেক্টর হলে নিচের কোনটি অর্থবহ নহে-

Created: 9 months ago | Updated: 1 month ago

\bar{A} \times (\bar{B} \times \overset{⇀}{C)}

\bar{A} . (\bar{B} \times \overset{⇀}{C)}

\bar{A} . (\bar{B} \overset{⇀}{C)}

\bar{A} + (\bar{B} \times \overset{⇀}{C)}

\bar{A} . \bar{B} + \bar{B} . \overset{⇀}{C}

219

Created: 9 months ago | Updated: 1 month ago

\frac{a + b \sin φ}{b + a \sin φ}

\sqrt{\frac{a + b \cos φ}{a - b \sin φ}}

\sqrt{\frac{a + b}{a - b}}

\frac{\sqrt{a + b}}{b}

\frac{{(a + b)}^{2}}{a - b}

189

Created: 4 months ago | Updated: 1 month ago

0 < θ < 90 °

90 ° < θ < 180 °

180 ° < θ < 270 °

270 ° < θ < 260 °

- 90 ° < θ < 0 °

529

Created: 9 months ago | Updated: 1 month ago

\frac{1}{2} \log_{e} 2 + \frac{π}{4} i

2 \log_{e} 2 + \frac{π}{4} i

\frac{1}{2} \log_{e} 2 - \frac{π}{4} i

\frac{1}{2} \log_{e} 2 + (2 n + \frac{1}{2}) πi where n is an interger

\frac{1}{2} \log_{e} 2 + (n + \frac{1}{4}) πi where n is an interger

509

Created: 9 months ago | Updated: 1 month ago

(1 - a^{4}) - b^{2} (4 - b^{2})

2 a (1 + a^{2} + b^{2})

- 2 a (1 + a^{2} + b^{2})

(1 + a^{2} + b^{2})

- 2 a (1 + a^{2} + b^{2})^{3}

239