3a+5b=1
-3a-3b=-9
25b^6y^3x+5b^2x^5y^4-125b^3x^4y^6
123
xy
7
5.35+5.35+27.03+33.23+36.84+22.08+77.60+23.54+90.84+100+12.63+4.28+182.41+8.56+53.39+135.98+73.89+8.58+15.40+58.56+203.82+13=
3√ 4 × 4√6 / 2√2 × 3√3
Calculate particular integral of ($$D^2 - 2DD' + D'^2$$)z = $$e^{x+2y}$$;
Work out the value of the reciprocal of 0.8
(3√4 × 4√6) / (2√2 × 3√3)
work out the value of the reciprocal of 0.8
25b^6y^3x+56b^2x^5y^4-125b^3x^4y^6