Maths

• How to find $x$ when $ax²+$$bx+$$c$


  $x=$$-b±√b²+$$4ac/2a$
• How to find the area of trapezium in a rectangle?

  $a+$$b÷2×h$
• What is the formula of Quadrative Equations?

  $ax2+$$bx+$$c$
• What is the symbol for pi?

  $\pi$
• What is the symbol for the square root?

  $\sqrt{\square}$
• What is the symbol for the integral?

  $\int$
• What is the symbol for the summation?

  $\Sigma^a_b$
• What is the symbol for the natural logarithm?

  $\ln$
• What is the symbol for sine?

  $\sin$
• What is the symbol for cosine?

  $\cos$
• What is the symbol for tangent?

  $\tan$
• What is the symbol for the inverse sine function?

  $\sin^{-1}$
• What is the symbol for the inverse cosine function?

  $\cos^{-1}$
• What is the symbol for the inverse tangent function?

  $\tan^{-1}$
• What is the symbol for cosecant?

  $\cosec$
• What is the symbol for secant?

  $\sec$
• What is the symbol for cotangent?

  $\cot$
• What is the symbol for hyperbolic sine?

  $\sinh$
• What is the symbol for hyperbolic cosine?

  $\cosh$
• What is the symbol for hyperbolic tangent?

  $\tanh$
• What is the symbol for infinity?

  $\infty$
• What is the symbol for the empty set?

  $\emptyset$
• What is the symbol for "therefore"?

  $\therefore$
• What is the symbol for the angle?

  $\angle$
• What is the symbol for the Greek letter theta?

  $\theta$
• What is the symbol for the Greek letter alpha?

  $\alpha$
• What is the symbol for the Greek letter delta?

  $\delta$
• What is the symbol for the set of natural numbers?

  $\mathbb{N}$
• What is the symbol for the set of integers?

  $\mathbb{Z}$
• What is the symbol for the set of rational numbers?

  $\mathbb{Q}$
• What is the symbol for the set of real numbers?

  $\mathbb{R}$
• What is the symbol for the set of complex numbers?

  $\mathbb{C}$
• What is the symbol for "approximately equal to"?

  $\approx$
• What is the symbol for "equivalent to"?

  $\equiv$
• What is the symbol for "proportional to"?

  $\propto$
• What is the symbol for "less than"?

  $<$
• What is the symbol for "greater than"?

  $>$
• What is the symbol for "less than or equal to"?

  $\leq$
• What is the symbol for "greater than or equal to"?

  $\geq$
• What is the symbol for factorial?


  $!$