Question

2 वक्रों के परस्‍पर समान्‍तर होने का प्रतिबन्‍ध​

Answer 1

.........

I dont know the answer

Length is a measure of distance. In the International System of Quantities, length is a quantity with dimension distance. In most systems of measurement a base unit for length is chosen, from which all other units are derived. In the International System of Units (SI) system the base unit for length is the metre.