Lymphocytes = B cells (antibodies) + T cells (cell-mediated immunity).
Lymphocytes are a type of white blood cell (WBC) responsible for immune responses in the body.
There are two types of lymphocytes:
(b) Order of the differential equation: $ 5x^3 \frac{d^3y}{dx^3} - 3\left(\frac{dy}{dx}\right)^2 + \left(\frac{d^2y}{dx^2}\right)^4 + y = 0 $