Advertisements
Advertisements
प्रश्न
Which of the following should be added to make x4 + 64 a perfect square
पर्याय
4x2
16x2
8x2
– 8x2
उत्तर
16x2
Explanation;
Hint:
x4 + 64 = (x2)2 + 82 + 2 × 8x2
= (x2 + 8)2
APPEARS IN
संबंधित प्रश्न
Find the square root of the following rational expression
`(400x^4y^12z^16)/(100x^8y^4z^4)`
Find the square root of the following rational expression
`(121("a" + "b")^8 (x + y)^8 ("b" - "c")^8)/(81("b" - "c")^4 ("a" - "b")^12 ("b" - "c")^4)`
Find the square root of the following
`1 + 1/(x^6) + 2/(x^3)`
Find the square root of the following polynomials by division method
x4 – 12x3 + 42x2 – 36x + 9
Find the square root of the following polynomials by division method
121x4 – 198x3 – 183x2 + 216x + 144
Find the values of a and b if the following polynomial is a perfect square
4x4 – 12x3 + 37x2 + bx + a
Find the values of a and b if the following polynomial is a perfect square
ax4 + bx3 + 361x2 + 220x + 100
Find the values of m and n if the following polynomial is a perfect square
`1/(x^4) - 6/(x^3) + 13/(x^2) + "m"/x + "n"`
If the roots of the equation q2x2 + p2x + r2 = 0 are the squares of the roots of the equation qx2 + px + r = 0, then q, p, r are in __________
If α and β are the roots of the polynomial f(x) = x2 – 2x + 3, find the polynomial whose roots are α + 2, β + 2
