Question

Find the value of the following ​

Answer 1

Answer:

If a is the complex number b is the real number then the equation az+az+b =0 represents asin^3x +cos^3x / sin^2x cos^2

Answer 2

Answer:

110

Step-by-step explanation:

$i) ( \frac{1}{5} ) { - }^{2} + ( \frac{1}{6} ) { - }^{2} + ( \frac{1}{7} ) { - }^{2}$

$= ( \frac{5}{1} {)}^{2} + ( \frac{6}{1} {)}^{2} + ( \frac{7}{1} {)}^{2}$

$= 25 + 36 + 49$

$= 61 + 49$

$= 110$