Dentro de 11 años la edad de Pedro será la mitad del cuadrado de la edad que tenía hace 13 años. Calcula la edad de Pedro. Solución: 21 años;

What does the exponent in an expression indicate?

Simplify the expression: \( (x^{1/4}y^{1/2})^{8} \)

Model 2 Problems based on finding indicated term of \( a \) GS. 54 , एउटा ज्यामितीय श्रेणीको पहिला तीन पदहरू \( x+6, x \) र \( x-3 \) भए, \( x+6, x \) and \( x-3 \) are the first three terms of a geometric series, (i) \( x \) को मान पत्ता लगाउनुहोस् । (Find the value of \( x \).) (ii) पहिलो पद पत्ता लगाउनुहोस् । (Find the first term.) (iii) पाँचाँ पदको मान निकाल्नुहोस् । (Find the value of fifth term.)

If \( \frac{a+b}{a}=1 \) and \( -b+a=2 \).

Given that the quadratic equation \( p x^{2}-9 q x+9 p=0 \), where \( p \) and \( q \) are constants, has two equal roots. Find \( p: q \). [2 marks.