Write the proper answer in the box ` H = square xx R xx t`

Which of the following is (are) NOT the square of a 3xx3 matrix with real entries ?

Taking the set of natural numbers as the universal set, write down the complement of the set: {x:x is a perfect square}

If R is the set of all real numbers, what do the cartesian products R xx R and R xx R xx R represent?

The difference of squares of two numbers is 180. The square of the smaller number is 7 times the larger number , find the two numbers .

If the sum of first n positive integers is 1/5 times the sum of their square then n equals

A planet orbits the Sun in time T at a distance of R from it. Another planet orbits the Sun in a time of 8T. What is its distance R' from the Sun.

We know that log_(10)100000 = 5 Show that you get the same answer by writing 100000 = 1000 xx 100 and then using the product rule. Verify the answer.

If the displacement of an object is proportional to square of time, then the object moves with: