Question

I. Write java expression for the following: [5]

1. a2+ab - b2

2. (a+b)n

3. 2(lb+bh+lh)

4. √u2+2as

5. 5x3+2yx+y

Answer 1

Solution :

• a² + ab - b²

Ans)) a*a + a*b - b*b;

• (a + b)n

Ans)) (a + b)*n;

• 2(lb+bh+lh)

Ans)) 2*(l*b+b*h+l*h);

• √(u² + 2as)

Ans)) Math.sqrt(Math.pow(u, 2) + 2*a*s);

• 5x³+2yx+y

Ans)) 5*Math.pow(x, 3) + 2*y*x + y;

Explore More :

• Some of the operators used in Java programming are different than the mathematical operators. Hence, Java expression will differ from mathematical expression.
• Java uses three types of operators. They are arithmetical, logical and relational operators.
• Arithmetical operator is divided into unary and binary operators.
• Logical operators is divided into AND, OR and NOT.
• Relational Operators are used to show the relation between two operands.