union sign in math

From the two examples it is seen that the signs of the terms of a GP must either be all alike or alternatively positive and negative. Note that the numbers in continued proportion are in GP, i.e.,..

>If A, B and C are the matrices which can be multiplied then (a) Matrix multiplication is not commutative, i.e., AB BA (always) (b) Associative law holds good for matrix multiplication, i.e., (AB)C = A(BC) (c) Matrix multiplication is distributive with respect to addition A(B + C) = AB + AC or (A +..

Signs of Trigonometric Ratios - Allied angles in different quadrant..

The figure shows the position of the variable point A along the circumference of the unit circle. When it is at P 1 , Q 1 , R and S making angle q with the x-axis ..

State whether the expression 'The set of multiples of 8 and the set of natural numbers' represents an intersection or union of sets. => intersection or union..

What should be the sign of the integers, if the product of the two integers is positive? => Either both the integers should be positive or both negative. or Multiplier is positive and multiplicand is negative. or Multiplier is negative and multiplicand is positive. or None of the above..

What should be the sign of the integers, if quotient of two integers is positive? => Numerator is positive and denominator is negative. or Numerator is negative and denominator is positive. or Either both the integers should be positive or both negative. or None of the above..

The sign of the value of Cos 318 o is: => Negative or Positive or Cannot be determined..

Find the sign of cos 143 o without using a calculator. => - or +..

Which of the following correctly represents 2 dollars 2 cents using the dollar sign and decimal point? => $.22 or $2.02 or $2.20 or 2.02$..